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Finding the Fourth Proportional to 15,966.33, 22,033.94 and 8,892.87

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Solution

The fourth proportional to 15,966.33, 22,033.94 and 8,892.87 is: 12,272.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,966.33 : 22,033.94 = 8,892.87 : x
  2. Step 2: Convert to fraction form
    15,966.33/22,033.94 = 8,892.87/x
  3. Step 3: Cross multiply
    15,966.33x = 22,033.94 × 8,892.87
  4. Step 4: Simplify right side
    15,966.33x = 195,944,960.86
  5. Step 5: Solve for x
    x = 195,944,960.86/15,966.33
  6. Step 6: Final answer
    x = 12,272.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.